/*! ******************************************************************************
 *
 * Created on 2021年11月29日
 *
 * Copyright(c) YuZhou Big Data Laboratory CO.,Ltd, 2022.  All rights reserved.
 *
 *******************************************************************************
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with
 * the License. You may obtain a copy of the License at
 *
 *    http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 *
 ******************************************************************************/
package org.pentaho.di.ui.spoon.navigation.view.subtree;

import java.util.Comparator;
import java.util.List;

import org.eclipse.swt.SWT;
import org.eclipse.swt.widgets.TreeItem;
import org.pentaho.di.base.AbstractMeta;
import org.pentaho.di.cluster.SlaveServer;
import org.pentaho.di.ui.core.gui.GUIResource;
import org.pentaho.di.ui.spoon.Spoon;
import org.pentaho.di.ui.spoon.navigation.view.Subtree;
import org.pentaho.di.ui.spoon.navigation.view.MetaTree;

/**
 * 子服务器子树
 * 
 * @author hs@yzbdl.ac.cn
 *
 */
public class SlavesSubtree extends Subtree {

	/**
	 * @param parent
	 */
	public SlavesSubtree(MetaTree parent, AbstractMeta meta) {
		super(parent);

		List<SlaveServer> servers = meta.getSlaveServers();

		servers.sort(new Comparator<SlaveServer>() {
			public int compare(SlaveServer s1, SlaveServer s2) {
				return String.CASE_INSENSITIVE_ORDER.compare(s1.getName(), s2.getName());
			}
		});

		for (SlaveServer slaveServer : servers) {
			if (!this.getSpoonRef().filterMatch(slaveServer.getName())) {
				continue;
			}

			TreeItem tiSlave = new TreeItem(this.getView(), SWT.NONE);
			tiSlave.setText(slaveServer.getName());
			tiSlave.setImage(GUIResource.getInstance().getImageSlaveTree());

			if (slaveServer.isShared()) {
				tiSlave.setFont(GUIResource.getInstance().getFontBold());
			}

		}
	}

	/**
	 * (non-Javadoc)
	 * 
	 * @see org.pentaho.di.ui.spoon.navigation.view.Subtree#getName()
	 */
	@Override
	public String getName() {
		return Spoon.STRING_SLAVES;
	}

}
